Answer:
[tex] {f}^{ - 1} (x) = \frac{4x- 5}{2} [/tex]
Step-by-step explanation:
f(x)= 2x + 5
----------
4
y =2x + 5
---------
4
4y=2x+5
4y-5=2x
4y-5
x=---------
2
[tex] {f}^{ - 1} (y) = \frac{4y - 5}{2} [/tex]
[tex] {f}^{ - 1} (x) = \frac{4x- 5}{2} [/tex]
